Year	constant 2015 US$
1967	385635634.508285
1968	363910390.1957194
1969	391072915.70998985
1970	325890203.9702533
1971	358484177.8933
1972	403742199.55287963
1973	389254838.53966707
1974	537721019.0805377
1975	510563752.9787353
1976	458056779.12051725
1977	445381638.4267774
1978	659023502.2858816
1979	702476332.5486982
1980	771277102.0601023
1981	748807605.6493964
1982	730605044.9874575
1983	843222322.5959765
1984	932670553.0678792
1985	1217209209.0351856
1986	1089005484.2731726
1987	1045924089.7725037
1988	1062979375.0245308
1989	1013779221.6085105
1990	1086882326.3458345
1991	1190863879.9886248
1992	1240971716.4762964
1993	1175737143.1254654
1994	1055279689.8992993
1995	1289502608.5906868
1996	1241620005.2849243
1997	1323012636.4890234
1998	1527418202.7018666
1999	1580171893.8021371
2000	1588877705.509869
2001	1977269054.1265252
2002	1868853658.1436212
2003	2052116652.375461
2004	2029136871.4127257
2005	2145825399.140764
2006	2374713692.7835784
2007	2451279654.3836164
2008	2883353449.833869
2009	2746949099.6416383
2010	3479867316.781308
2011	3671728069.824645
2012	3477621191.5500717
2013	4331991079.827303
2014	4620617527.990538
2015	5188953483.799301
2016	5751521851.665713
2017	4934805748.723669
2018	4337694253.186245
2019	4593618214.171848
2020	4460403285.774918
2021	5087769150.695026
2022	5121511654.798949
2023	5413437819.050065